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[204.195.96.226]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-1fbb6ac0ea0sm34955505ad.188.2024.07.10.08.18.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 10 Jul 2024 08:18:24 -0700 (PDT) Date: Wed, 10 Jul 2024 08:18:21 -0700 From: Stephen Hemminger To: ayaka Cc: netdev@vger.kernel.org Subject: Re: tun: need an ioctl() cmd to get multi_queue index? Message-ID: <20240710081821.63b6f6d1@hermes.local> In-Reply-To: References: Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable On Wed, 10 Jul 2024 17:40:46 +0800 ayaka wrote: > Hello All >=20 > I have read some example that filter packet with tc qdisc. It could a ver= y useful feature for dispatcher in a VPN program. > But I didn=E2=80=99t find an ioctl() to fetch the queue index, which I be= lieve is the queue number used in tc qdisc. > There is an ioctl() which set the ifindex which would affect the queue_in= dex storing in the same union. But I don=E2=80=99t think there is an ioctl(= ) to fetch it. >=20 > If I was right, could I add a new ioctl() cmd for that? >=20 > Sincerely > Randy In the case of TUN, each queue is handled by a different file descriptor.